Home / 873,453,886.40-1,310,180,829.60-414,288,862.40

Finding the Fourth Proportional to 873,453,886.40, 1,310,180,829.60 and 414,288,862.40

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Solution

The fourth proportional to 873,453,886.40, 1,310,180,829.60 and 414,288,862.40 is: 621,433,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,453,886.40 : 1,310,180,829.60 = 414,288,862.40 : x
  2. Step 2: Convert to fraction form
    873,453,886.40/1,310,180,829.60 = 414,288,862.40/x
  3. Step 3: Cross multiply
    873,453,886.40x = 1,310,180,829.60 × 414,288,862.40
  4. Step 4: Simplify right side
    873,453,886.40x = 542,793,325,433,272,192
  5. Step 5: Solve for x
    x = 542,793,325,433,272,192/873,453,886.40
  6. Step 6: Final answer
    x = 621,433,293.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.